:root{--font-serif:"Newsreader", Georgia, "Times New Roman", serif;--font-sans:"Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;--fs-app-title:29px;--fs-thread-person:22px;--fs-subject:23px;--fs-scale:1;--fs-contact-name:calc(17.5px * var(--fs-scale));--fs-nav-title:17px;--fs-sender:calc(15px * var(--fs-scale));--fs-body:calc(15.5px * var(--fs-scale));--fs-editor:calc(16px * var(--fs-scale));--fs-label:13.5px;--fs-meta:12px;--fs-section:11.5px;--lh-body:1.6;--ls-section:0.7px;--space-page:16px;--space-card:14px;--space-row-y:12px;--radius-card:15px;--radius-input:14px;--radius-segment:10px;--radius-image:12px;--radius-pill:999px;--accent:oklch(0.585 0.2 28);--accent-hover:oklch(0.5 0.2 28);--accent-contrast:#ffffff;--success:oklch(0.62 0.14 145);--avatar-coral:oklch(0.6 0.15 28);--avatar-blue:oklch(0.6 0.15 255);--avatar-green:oklch(0.6 0.15 150);--avatar-violet:oklch(0.6 0.15 300);--avatar-gold:oklch(0.6 0.15 85);--avatar-teal:oklch(0.6 0.15 200);--shadow-card:0 1px 2px rgba(20, 22, 30, 0.06);--shadow-accent:0 2px 8px oklch(0.585 0.2 28 / 0.35);--blur-header:blur(14px);--bg:oklch(0.985 0.004 255);--surface:#ffffff;--ink:oklch(0.24 0.008 260);--muted:oklch(0.52 0.01 260);--muted-strong:oklch(0.46 0.012 260);--hairline:oklch(0.92 0.004 255);--hairline-light:oklch(0.93 0.004 255);--accent-soft:oklch(0.986 0.011 30);--segment-track:oklch(0.94 0.004 255);--surface-blur:oklch(1 0 0 / 0.82);--danger-text:oklch(0.5 0.2 28);--warn:oklch(0.56 0.13 70)}[data-theme=dark]{--bg:oklch(0.19 0.008 265);--surface:oklch(0.25 0.01 265);--ink:oklch(0.95 0.006 260);--muted:oklch(0.68 0.012 260);--muted-strong:oklch(0.68 0.012 260);--hairline:oklch(0.33 0.01 265);--hairline-light:oklch(0.33 0.01 265);--accent-soft:oklch(0.28 0.03 30);--segment-track:oklch(0.3 0.012 265);--surface-blur:oklch(0.25 0.01 265 / 0.82);--danger-text:oklch(0.78 0.14 28);--warn:oklch(0.8 0.13 75)}